package com.itheima.rabbitmq.config;


import org.springframework.amqp.core.*;

import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class RabbitMQConfig {
    public static final String EXCHANGE_NAME="boot_topic_ecchange";
    public static final String QUEUE_NAME="boot_queue";


    //1.交换机
    @Bean("bootExchange")
    public Exchange bootExchange(){
        return ExchangeBuilder.topicExchange(EXCHANGE_NAME).durable(true).build();
    }
    //2.队列
    @Bean("bootQueue")
    public Queue bootQueue(){
        return QueueBuilder.durable(QUEUE_NAME).build();
    }
    //3.队列与交换机绑定
    /*
    1.队列名 2.交换机名   3.key
     */
    @Bean("bindQueueExchange")
    public Binding bindQueueExchange(@Qualifier("bootQueue") Queue queue,@Qualifier("bootExchange") Exchange exchange){
        return BindingBuilder.bind(queue).to(exchange).with("boot.#").noargs();
    }

}
